Masonry block



FIG. 1 is a perspective view of a masonry block showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a front elevation view thereof;

FIG. 5 is a rear elevation view thereof;

FIG. 6 is a right-side elevational view thereof;

FIG. 7 is a left-side elevational view thereof; and,

FIG. 8 shows a perspective view of a second embodiment of my claimed design as depicted in FIGS. 1-7, the difference consisting of a smooth front surface texture.

The broken lines illustrate portions of the masonry block that form no part of the claimed design. 

CLAIM The ornamental design for a masonry block, as shown and described. 